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Finding the Fourth Proportional to 18,406.99, 27,593.47 and 6,712.03

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Solution

The fourth proportional to 18,406.99, 27,593.47 and 6,712.03 is: 10,061.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,406.99 : 27,593.47 = 6,712.03 : x
  2. Step 2: Convert to fraction form
    18,406.99/27,593.47 = 6,712.03/x
  3. Step 3: Cross multiply
    18,406.99x = 27,593.47 × 6,712.03
  4. Step 4: Simplify right side
    18,406.99x = 185,208,198.44
  5. Step 5: Solve for x
    x = 185,208,198.44/18,406.99
  6. Step 6: Final answer
    x = 10,061.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.